William Henry Taylor (30 March 1906 – January 1965) was a Canadian-born U.S. Treasury economist accused by Elizabeth Bentley of having been a Soviet spy.
He taught economics at the University of Hawaii for eight years and became a naturalized citizen of the United States in 1940.
Taylor secured employment within the United States Department of the Treasury through Secretary Harry Dexter White in 1941.
As a CPUSA member and allegedly of the secret apparatus known as the Silvermaster group, Taylor is believed to have supplied information orally and in document form to Soviet intelligence.
He is one of two alleged Soviet agents code named "Acorn" as deciphered by the Venona project.